From 6056a3a2ee5741a48d88713a4b9ca8e272658745 Mon Sep 17 00:00:00 2001
From: Igor Oliveira <itrindade.oliveira@gmail.com>
Date: Sun, 20 Jun 2010 22:28:09 -0400
Subject: Initial Fixes: get_tile_rgba and other fixes

---
 src/drm/cairo-drm-gallium-surface.c | 38 +++++++++++++++++++++++++------------
 1 file changed, 26 insertions(+), 12 deletions(-)

diff --git a/src/drm/cairo-drm-gallium-surface.c b/src/drm/cairo-drm-gallium-surface.c
index 40446277..a284e5f8 100644
--- a/src/drm/cairo-drm-gallium-surface.c
+++ b/src/drm/cairo-drm-gallium-surface.c
@@ -53,6 +53,8 @@
 #include <util/u_simple_shaders.h>
 #include <util/u_draw_quad.h>
 
+#include <util/u_debug.h>
+
 #include <tgsi/tgsi_ureg.h>
 #include <tgsi/tgsi_build.h>
 #include <tgsi/tgsi_parse.h>
@@ -302,6 +304,7 @@ shader_create(gallium_device_t *device)
     shader = malloc (sizeof(gallium_shader_t));
     shader->device = device;
     shader->fs  = cso_hash_create();
+    shader->cbuf = NULL;
 
     return shader;
 }
@@ -318,18 +321,18 @@ static void
 setup_constant_buffer(gallium_shader_t *shader, float *constants, int size)
 {
     struct pipe_context *ctx    = shader->device->pipe;
-    struct pipe_resource  *buffer = shader->cbuf;
+    struct pipe_resource  **buffer = &shader->cbuf;
 
-    pipe_resource_reference (&buffer, NULL);
+    pipe_resource_reference (buffer, NULL);
 
     memcpy (shader->constants, constants, size);
 
-    buffer = pipe_user_buffer_create (ctx->screen,
-				      &shader->constants,
+    *buffer = pipe_user_buffer_create (ctx->screen,
+				      &shader->constants[0],
 				      sizeof(shader->constants),
 				      PIPE_BIND_VERTEX_BUFFER);
 
-    ctx->set_constant_buffer (ctx, PIPE_SHADER_FRAGMENT, 0, buffer);
+    ctx->set_constant_buffer (ctx, PIPE_SHADER_FRAGMENT, 0, *buffer);
 }
 
 static void *
@@ -443,11 +446,12 @@ unpack_color (const unsigned *src,
         unsigned char *pRow = p;
         for (j = 0; j < w; j++, pRow += 4) {
             const unsigned pixel = *src++;
-            pRow[0] = (pixel >>  0) & 0xff;
-            pRow[1] = (pixel >>  8) & 0xff;
-            pRow[2] = (pixel >> 16) & 0xff;
-            pRow[3] = (pixel >> 24) & 0xff;
+            pRow[3] = (pixel >>  0) & 0xff;
+            pRow[2] = (pixel >>  8) & 0xff;
+            pRow[1] = (pixel >> 16) & 0xff;
+            pRow[0] = (pixel >> 24) & 0xff;
         }
+
         p += dst_stride;
     }
 }
@@ -505,8 +509,6 @@ gallium_surface_acquire_source_image (void *abstract_surface,
 					surface->drm.height) *
 		util_format_get_blocksize(surface->texture->format));
 
-    rgba_packed = malloc (surface->drm.width*surface->drm.height*4);
-
     stride = util_format_get_stride(surface->texture->format, surface->drm.width);
 
     pipe_get_tile_raw (device->pipe,
@@ -517,13 +519,15 @@ gallium_surface_acquire_source_image (void *abstract_surface,
 		       rgba_packed,
 		       stride);
 
+    color_unpacked = malloc(surface->drm.width*surface->drm.height*4);
+
     unpack_color (rgba_packed, surface->drm.width, surface->drm.height, color_unpacked, stride);
     cairo_device_release (&device->drm.base);
 
     image = cairo_image_surface_create_for_data (color_unpacked, format,
 						 surface->drm.width,
 						 surface->drm.height,
-						 surface->drm.stride);
+						 stride);
     if (unlikely (image->status))
 	return image->status;
 
@@ -556,6 +560,7 @@ gallium_surface_flush (void *abstract_surface)
     gallium_device_t *device = gallium_device (surface);
     cairo_status_t status;
 
+    printf("fudeo");
 
     {
 	cso_set_framebuffer (device->cso, &device->framebuffer);
@@ -577,6 +582,7 @@ gallium_surface_flush (void *abstract_surface)
 	device->pipe->flush (device->pipe,
 			     PIPE_FLUSH_RENDER_CACHE,
 			     NULL);
+        printf("flush\n");
 	return CAIRO_STATUS_SUCCESS;
     }
 
@@ -593,10 +599,14 @@ gallium_surface_flush (void *abstract_surface)
 	cairo_device_release (&device->drm.base);
     }
 
+    printf("flushing");
+
     status = cairo_surface_status (surface->fallback);
     cairo_surface_destroy (surface->fallback);
     surface->fallback = NULL;
 
+    debug_dump_surface_bmp(device->pipe, "result.bmp", device->framebuffer.cbufs[0]);
+
     return status;
 }
 
@@ -922,6 +932,8 @@ gallium_surface_paint (void			*abstract_surface,
 	status = _cairo_surface_paint (surface->fallback, op, source, clip);
     }
 
+    gallium_surface_flush(abstract_surface);
+
     return status;
 }
 
@@ -1205,6 +1217,8 @@ gallium_surface_create_internal (gallium_device_t *device,
 	device->pipe->set_constant_buffer(device->pipe, PIPE_SHADER_VERTEX, 0, surface->vbuf);
     }
 
+    device->cso = cso_create_context(device->pipe);
+
     memset(&device->framebuffer, 0, sizeof(device->framebuffer));
     device->framebuffer.width  = width;
     device->framebuffer.height = height;
-- 
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